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1, Cluster management 1.1 single machine & cluster When a single Elasticsearch server provides services, it often has the maximum load capacity. If it exceeds this threshold, the server performance will be greatly reduced or even unavailable. Therefore, in the production environment, it usually runs in the specified server clusterIn a ...

Learning objectives Learn microservice architectureCorresponding project Hotel demo Study notes 1. Get to know elasticsearch 1.1. Understanding ES 1.1. 1. Function of elasticsearch Elastic search is a very powerful open source search engine with many powerful functions, which can help us quickly find the content we need from massive dat ...

1, Scenario description When we use ES for query, we often encounter such a scenario: we need to match multiple fields at the same time according to the query keywords entered by the user, and we want to make different settings for the weight of the matching fields, such as matching the company name and company profile at the same time. Here, ...

1, ELK overview 1. ELK introduction ELK platform is a complete set of centralized log processing solution, which combines ElasticSearch, Logstash and Kiabana to meet more powerful user requirements for log query, sorting and statistics. 2. ELK composition (1)ElasticSearch • it is a distributed storage retrieval engine based on Luc ...

1, What is ELK Generally speaking, ELK is a combination of three open-source software * * Elasticsearch (log storage and search), Logstash (log collection) and Kibana (log viewing), which can complete more powerful user query, sorting and statistical requirements * *. ELK is also known as ELKstack. The official domain name is elastic.co. The ...

catalogue I ElasticSearch installation 1. Download ElasticSearch (window) server  2.PHP install es extension ​ II ElasticSearch property Word introduction III Introduction to elasticsearch PHP API Document address: https://www.elastic.co/guide/cn/index.html Learning record based on window I ElasticSearch installation 1. Down ...

This article is written based on elastic search version 7.10. 1. The script updates a property value in the object array. In the background, the business side needs to say that the CDN acceleration is enabled for commodity pictures, and the previous picture domain names need to be modified. The picture address in the database can be updated t ...

There are three methods for cluster migration or ES data migration: elasticsearch-dump reindex snapshot logstash 1, Elasticsearch dump Applicable scenario It is suitable for scenarios with small amount of data and few migration indexes\Mode of use Elasticsearch dump is an open source ES data migration tool. GitHub address: https://github ...

Mapping is mapping, which is used to define a document and how the fields contained in the document should be stored and indexed. Therefore, it is actually a bit similar to the definition of tables in relational databases. Mapping classification Dynamic mapping As the name suggests, it is a map created automatically. es automatically analyzes ...

Tencent cloud Elasticsearch Service product provides a fully managed cloud service. Customers can create clusters with one click on Tencent cloud console, easily manage clusters, and highly flexible elastic configuration change mode. Therefore, with Tencent cloud ES, you can quickly deploy and expand your cluster on demand, simplify compl ...